/Engine/Source/Runtime/InteractiveToolsFramework/Public/InteractiveToolBuilder.h
PostBuildTool is called by the ToolManager after a new Tool instance has been built andSetup()has been called. This allows clients to make modifications to Tools like changing initial parameters without subclassing the Tool
virtual void PostSetupTool ( [UInteractiveTool](API\Runtime\InteractiveToolsFramework\UInteractiveTool) * Tool, const [FToolBuilderState](API\Runtime\InteractiveToolsFramework\FToolBuilderState) & SceneState ) const